No evidence for accumulation of deleterious mutations and fitness degradation in clonal fish hybrids: Abandoning sex without regrets J Kočí, J Röslein, J Pačes, J Kotusz, K Halačka, J Koščo, J Fedorčák, ... Molecular ecology 29 (16), 3038-3055, 2020 | 18 | 2020 |
Parasitic infection of Cobitis elongatoides Băcescu & Mayer, 1969 by zoonotic metacercariae Clinostomum complanatum (Rudolphi, 1814) J Fedorčák, Ľ Šmiga, I Kutsokon, V Kolarčik, L Koščová, M Oros, J Koščo Journal of fish diseases 42 (12), 1677-1685, 2019 | 14 | 2019 |
In the foothill zone—Sabanejewia balcanica (Karaman 1922), in the lowland zone—Sabanejewia bulgarica (Drensky, 1928): Myth or reality? P Križek, J Mendel, J Fedorčák, J Koščo Ecology and evolution 10 (14), 7929-7947, 2020 | 10 | 2020 |
Microhabitat preferences of triploid Cobitis fish and diploid progenitors in two streams in Slovakia (Danube River Basin) J Fedorčák, L Pekárik, K Halačka, Ľ Šmiga, P Manko, J Hajdú, L Vetešník, ... Limnologica 69, 59-66, 2018 | 7 | 2018 |
Which factors influence spatio–temporal changes in the distribution of invasive and native species of genus Carassius? J Fedorčák, P Križek, J Koščo Aquatic Invasions 18 (2), 219-230, 2023 | 5 | 2023 |
Tubenose goby–a discreet invader from the past goes higher KS Švolíková, B Števove, P Križek, P Mosna, J Fedorčák, V Kováč Journal of Vertebrate Biology 70 (4), 21042.1-13, 2021 | 5 | 2021 |
Endohelminth parasites in loaches Cobitis spp.(Actinopterygii: Cobitidae), with the first record of Allocreadium transversale (Rudolphi, 1802)(Digenea: Allocreadiidae) in Bulgaria Ľ Šmiga, J Fedorčák, A Faltýnková, T Stefanov, J Bystrianska, K Halačka, ... Acta Zool. Bulg 72, 311-314, 2020 | 5 | 2020 |
Diel changeover of fish assemblages in shallow sandy habitats of lowland rivers of different sizes M Nowak, A Klaczak, J Koščo, P Szczerbik, J Fedorčák, J Hajdú, W Popek Knowledge & Management of Aquatic Ecosystems, 41, 2019 | 5 | 2019 |
Growth differences in different biotypes of the hybrid complex of Cobitis elongatoides × Cobitis tanaitica (Actinopterygii: Cypriniformes: Cobitidae) in the okna river (Danube … J Fedorčák, J Koščo, K Halačka, P Manko Acta Ichthyologica et Piscatoria 47 (2), 2017 | 4 | 2017 |
Tubenose goby (Proterorhinus semilunaris) the first of invasive gobies in the Slovak drainage of the River Tisa [Býčko rúrkonosý (Proterorhinus semilunaris) prvý z invazívnych … P Koščo, J., Manko, P., Fedorčák, J., Kutsokon, Y., Košuthová, L., Šmiga, Ľ ... „Zoológia 2014“, 19. Feriancove dni, 113-115, 2014 | 3* | 2014 |
Influence of habitat on the external morphology of Sabanejewia (Cypriniformes: Cobitidae) specimens J Fedorčák, R Šanda, T Stefanov, J Mendel, J Koščo Frontiers in Marine Science 6 (10.3389), 2019 | 2 | 2019 |
THE INFLUENCE OF MIGRATION BARRIERS ON ICHTHYOCENOSIS STRUCTURE, PARASITOFAUNA AND CONDITION OF FISH J Kohút, L Košuthová, J Koščo, Ľ Šmiga, J Hajdu, P Košuth, J Fedorčák Folia Veterinaria 59 (2), 69-73, 2015 | 2 | 2015 |
The “True Colours” of Golden Loaches (Teleostei: Cobitidae) J Fedorčák, R Šanda, T Stefanov, J Mendel, M Nowak, P Križek, ... Fishes 8 (2), 119, 2023 | 1 | 2023 |
PSYCHODIDAE OF ALBANIA. JAN JEŽEK, P MANKO, J FEDORČÁK, Š KOCO, J VARGA, S SHUMKA, ... Redia: Journal of Zoology/Giornale di Zoologia 106, 2023 | 1 | 2023 |
Effect of heparin as an anticoagulant on measurements of the erythrocyte genome size using flow cytometry in bony fishes of different ploidy K Halačka, K Janko, J Fedorčák, J Koščo, L Vetešník Acta Veterinaria Brno 92 (2), 171-179, 2023 | | 2023 |
Distribution of the non-indigenous fish species, Lepomis Gibbosus (Linnaeus, 1758), in Albania S Shumka, J Fedorčák, J Varga, R Sanda Thalassia Salentina 44 (suppl), 49-58, 2023 | | 2023 |
Diversity of Carassius species in Slovakia based on mitochondrial DNA and ploidy status J Fedorčák, J Koščo, E Ašenbrenerová, J Vukić, L Závorka, R Šanda XVII. European Congress of Ichthyology 2023: 4th - 8th September 2023, 2023 | | 2023 |
Carassius carassius in eastern Slovakia: a step back one minute to midnight? J Fedorčák, J Hajdú, R Gregorek, J Koščo, A Mock, D Uhrovič XVII. European Congress of Ichthyology 2023: 4th - 8th September 2023, 2023 | | 2023 |
Endoparasitic helminths of loaches of the genus Cobitis from Slovakia Ľ Šmiga, L Koščová, J Koščo, P Košuth, J Fedorčák, P Lazar Helminthological Days 2017, 55, 2017 | | 2017 |
Sabanejewia bulgarica - nový druh v povodiach Slovenska, alebo variabilita druhu Sabanejewia balcanica? J Fedorčák, J Koščo, L Pekárik, Ľ Šmiga, J Hajdú, K Halačka České rybářské a ichtyologické konference (RybIKon 2016), 2016 | | 2016 |